Home / 698,117,012.28-963,404,393.98-384,844,352.76

Finding the Fourth Proportional to 698,117,012.28, 963,404,393.98 and 384,844,352.76

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Solution

The fourth proportional to 698,117,012.28, 963,404,393.98 and 384,844,352.76 is: 531,086,814.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,117,012.28 : 963,404,393.98 = 384,844,352.76 : x
  2. Step 2: Convert to fraction form
    698,117,012.28/963,404,393.98 = 384,844,352.76/x
  3. Step 3: Cross multiply
    698,117,012.28x = 963,404,393.98 × 384,844,352.76
  4. Step 4: Simplify right side
    698,117,012.28x = 370,760,740,447,373,120
  5. Step 5: Solve for x
    x = 370,760,740,447,373,120/698,117,012.28
  6. Step 6: Final answer
    x = 531,086,814.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.